Davood57, 24 Apr 2017An update? This phone is already released, what update? It would obviously be a software update not a hardware update.
Phone manufacturers tend to release an update for a brand new phone shortly after release to fix any bugs that may present themselves upon release of the device.

Davood57, 24 Apr 2017An update? This phone is already released, what update? Could be the fix for the red tint on some Galaxy S8/S8+ phones. They said they are going to update all Galaxy S8/S8+ so maybe this could be that update